Table of Contents
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parts & service manual
MHC-1 Holding Cabinet
Models 86007 & 86009
This document includes:
• sequence of operations
• troubleshooting
• replacement instructions
• parts list
• wiring diagram
Model 86009 shown
Revision: 5/13/08
P/N: mhc1svc
Merco Savory, LLC
1111 North Hadley Road
Fort Wayne, Indiana 46804
United States of America
Technical Support Hotline: (800) 678-9511
Telephone: (260) 459-8200
www.mercosavory.com
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Table of Contents
Related Manuals for Merco MHC-1
Summary of Contents for Merco MHC-1
- Page 1 & service manual MHC-1 Holding Cabinet Models 86007 & 86009 This document includes: • sequence of operations • troubleshooting • replacement instructions • parts list • wiring diagram Model 86009 shown Revision: 5/13/08 P/N: mhc1svc Merco Savory, LLC 1111 North Hadley Road...
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Page 2: Unit Specifications
UNIT SPECIFICATIONS Model # Voltage Amps Watts Phase Plug 86007 (Left Side Control) 120 VAC 6’ NEMA 5-15P 86009 (Right Side Control) 120 VAC 6’ NEMA 5-15P MHC-1 Service Manual... -
Page 3: Sequence Of Operations
The control is set to the desired temperature. The control then intermittently supplies 120VAC through the power board to the heater plates. Temperature is then controlled by the two temperature sensors sending a reference signal back to the control board. MHC-1 Service Manual... -
Page 4: Troubleshooting Guide
WITH POWER OFF: To check resistance of the elements, remove all leads from the elements and use a digital multimeter. The element resistance should be as follows: 120V – 87 ohms Replace heating element (shelf) as needed. MHC-1 Service Manual... -
Page 5: Control Board Replacement
1. Remove four (4) screws. When replacing U.I. board, be sure ribbon 2. Disconnect ribbon cable. cable is connected so that blue wire is 3. Remove board. facing towards interior of unit. 4. Reassemble in reverse order. MHC-1 Service Manual... -
Page 6: Part Description
Front Retention Rod 340017 Spring 340018 Heater Plate Bracket 340107 Control Panel Label 340005 Side Insulation 340008 Ribbon Cable Subassembly 340007 Side Cover Panel 340006 Power Controller 340009 System Controller 340022 Illuminated Green Rocker Switch 340023 Caution-Hot Label MHC-1 Service Manual... - Page 7 EXPLODED VIEW MODEL 86007 MHC-1 Service Manual...
- Page 8 E-Style External Retaining Ring 340015 Plastic Tray 340016 Front Retention Rod 340017 Spring 340018 Heater Plate Bracket 340019 Lower Heater Subassembly 340020 Universal Tray Seal Panel 340021 Upper Heater Subassembly 340022 Illuminated Green Rocker Switch 340023 Caution-Hot Label MHC-1 Service Manual...
- Page 9 EXPLODED VIEW MODEL 86009 MHC-1 Service Manual...
- Page 10 Display Top Heating-Element Indicator Light (Green) Indicator Light (Green) Time Button Temperature Button Bottom Heating-Element Indicator Light (Green) Down-Arrow Button Up-Arrow Button NOTE: For additional information concerning Menu and Product programming, please refer to MHC-1 Operator Manual. MHC-1 Service Manual...
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Page 11: Wiring Diagram
WIRING DIAGRAM MHC-1 Service Manual... - Page 12 MHC-1 Service Manual...
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